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        <name>Badger Meter Inc</name>
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        <name>Zurn Elkay Water Solutions Cor</name>
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        <name>Cia de Saneamento Basico do Es</name>
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        <name>RBC DOMINION SECURITIES INC.</name>
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        <name>American States Water Co</name>
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        <name>IDEXX Laboratories Inc</name>
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      <invstOrSec>
        <name>Ferguson Enterprises Inc</name>
        <lei>2138003JYQMRP3SLX189</lei>
        <title>Ferguson Enterprises Inc</title>
        <cusip>31488V107</cusip>
        <identifiers>
          <isin value="US31488V1070"/>
          <ticker value="FERG"/>
        </identifiers>
        <balance>401102.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>64268573.46000000</valUSD>
        <pctVal>3.732706539879</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Franklin Electric Co Inc</name>
        <lei>RR6AURIKMXUE4Q24G284</lei>
        <title>Franklin Electric Co Inc</title>
        <cusip>353514102</cusip>
        <identifiers>
          <isin value="US3535141028"/>
          <ticker value="FELE"/>
        </identifiers>
        <balance>348485.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>32715771.80000000</valUSD>
        <pctVal>1.900125812362</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>A O Smith Corp</name>
        <lei>549300XG4US7UJNECY36</lei>
        <title>A O Smith Corp</title>
        <cusip>831865209</cusip>
        <identifiers>
          <isin value="US8318652091"/>
          <ticker value="AOS"/>
        </identifiers>
        <balance>535466.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>34998057.76000000</valUSD>
        <pctVal>2.032680547439</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Lindsay Corp</name>
        <lei>549300ZFO0QG5H8TPI61</lei>
        <title>Lindsay Corp</title>
        <cusip>535555106</cusip>
        <identifiers>
          <isin value="US5355551061"/>
          <ticker value="LNN"/>
        </identifiers>
        <balance>168397.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>21305588.44000000</valUSD>
        <pctVal>1.237424529976</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Waters Corp</name>
        <lei>5T547R1474YC9HOD8Q74</lei>
        <title>Waters Corp</title>
        <cusip>941848103</cusip>
        <identifiers>
          <isin value="US9418481035"/>
          <ticker value="WAT"/>
        </identifiers>
        <balance>188678.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>69541050.46000000</valUSD>
        <pctVal>4.038931002625</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Stantec Inc</name>
        <lei>549300MZ7NGUZDCP2T16</lei>
        <title>Stantec Inc</title>
        <cusip>85472N109</cusip>
        <identifiers>
          <isin value="CA85472N1096"/>
          <ticker value="STN"/>
        </identifiers>
        <balance>626134.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>51868940.56000000</valUSD>
        <pctVal>3.012538216138</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CA</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>MSILF Treasury Portfolio</name>
        <lei>549300D1XR6GP7EZ0T47</lei>
        <title>MSILF Treasury Portfolio</title>
        <cusip>61747C582</cusip>
        <identifiers>
          <isin value="US61747C5821"/>
          <ticker value="MISXX"/>
        </identifiers>
        <balance>666003.30000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>666003.30000000</valUSD>
        <pctVal>0.038681345168</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>J.P. MORGAN SECURITIES LLC</name>
        <lei>ZBUT11V806EZRVTWT807</lei>
        <title>JP MORGAN SECURITIES LLC</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="INTERNAL" value="9714003868"/>
        </identifiers>
        <balance>28047099.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>28047099.00000000</valUSD>
        <pctVal>1.628970182870</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>RA</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>2</fairValLevel>
        <repurchaseAgrmt>
          <transCat>Repurchase</transCat>
          <notClearedCentCparty isCleared="N">
            <counterpartyInfos>
              <counterpartyInfo lei="ZBUT11V806EZRVTWT807" name="J.P. MORGAN SECURITIES LLC"/>
            </counterpartyInfos>
          </notClearedCentCparty>
          <isTriParty>Y</isTriParty>
          <repurchaseRt>4.36000000</repurchaseRt>
          <maturityDt>2025-04-01</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>35830084.83120300</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>28608042.05700858</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <cashCollateralCondition cashCollateralVal="28047099.00000000" isCashCollateral="Y"/>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Fortune Brands Innovations Inc</name>
        <lei>54930032LHW54PQUJD44</lei>
        <title>Fortune Brands Innovations Inc</title>
        <cusip>34964C106</cusip>
        <identifiers>
          <isin value="US34964C1062"/>
          <ticker value="FBIN"/>
        </identifiers>
        <balance>825041.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>50228496.08000000</valUSD>
        <pctVal>2.917261512313</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>SJW Group</name>
        <lei>N/A</lei>
        <title>SJW Group</title>
        <cusip>784305104</cusip>
        <identifiers>
          <isin value="US7843051043"/>
          <ticker value="SJW"/>
        </identifiers>
        <balance>422415.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>23101876.35000000</valUSD>
        <pctVal>1.341752590615</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Primo Brands Corp</name>
        <lei>254900J0WS4AXV2LAX55</lei>
        <title>Primo Brands Corp</title>
        <cusip>741623102</cusip>
        <identifiers>
          <isin value="US7416231022"/>
          <ticker value="PRMB"/>
        </identifiers>
        <balance>1849098.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>65624488.02000000</valUSD>
        <pctVal>3.811457799992</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2025-05-23</ncom:dateSigned>
      <ncom:nameOfApplicant>First Trust Exchange-Traded Fund</ncom:nameOfApplicant>
      <ncom:signature>Derek Maltbie</ncom:signature>
      <ncom:signerName>Derek Maltbie</ncom:signerName>
      <ncom:title>Treasurer, Chief Financial Officer and Chief Accounting Officer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
